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Mathematics 11 Online
OpenStudy (anonymous):

mk

OpenStudy (anonymous):

i am having so much trouble doing this worksheet, anyone want to help me? i need help ASAP

Directrix (directrix):

@lopez.1109 Looking at number two: the first think is to mark the given on the diagram.

Directrix (directrix):

Note that the two triangles overlap. Pull them apart. Look at the attachment.

Directrix (directrix):

@lopez.1109 Look where I pulled the two triangles apart and marked the two sets of given congruent information. Now, look at the two triangles and post what side they share. Look at the original diagram to see the side the two triangles share.

OpenStudy (anonymous):

they share sides BE , CD, DC

OpenStudy (anonymous):

right?

Directrix (directrix):

No. If you take a pen and trace the sides of triangle BCD AND then take a pencil and trace the sides of triangle ECD, there is exactly one side of both triangles which will be penciled AND inked? Which side is it?

Directrix (directrix):

There is one side that is a side of both triangles. That is the one we need for this proof.

Directrix (directrix):

@lopez.1109 Which side is both red and black? |dw:1385363717704:dw|

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